Reasons for withdrawal scgmille@xxxxxx (28 Oct 2003 20:35 UTC)
Re: Reasons for withdrawal Tom Lord (28 Oct 2003 21:24 UTC)
RE: Reasons for withdrawal Anton van Straaten (28 Oct 2003 22:05 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (28 Oct 2003 22:36 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (28 Oct 2003 22:44 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (28 Oct 2003 23:22 UTC)
Re: Reasons for withdrawal Tom Lord (29 Oct 2003 02:50 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 03:19 UTC)
Re: Reasons for withdrawal Tom Lord (29 Oct 2003 03:31 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 03:38 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 04:36 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 05:02 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 05:32 UTC)
Re: Reasons for withdrawal Taylor Campbell (28 Oct 2003 22:56 UTC)
Re: Reasons for withdrawal Taylor Campbell (28 Oct 2003 23:06 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (28 Oct 2003 23:16 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (28 Oct 2003 23:28 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (28 Oct 2003 23:42 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 00:13 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 01:00 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 01:41 UTC)
Re: Reasons for withdrawal Tom Lord (29 Oct 2003 03:03 UTC)
RE: Reasons for withdrawal Anton van Straaten (29 Oct 2003 05:31 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 05:54 UTC)
RE: Reasons for withdrawal Anton van Straaten (29 Oct 2003 06:40 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 06:44 UTC)
RE: Reasons for withdrawal Anton van Straaten (29 Oct 2003 07:31 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 07:34 UTC)
Re: Reasons for withdrawal Thien-Thi Nguyen (29 Oct 2003 14:08 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (28 Oct 2003 21:28 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (28 Oct 2003 22:02 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (28 Oct 2003 22:22 UTC)
Re: Reasons for withdrawal Jim White (28 Oct 2003 22:15 UTC)
Re: Reasons for withdrawal Shiro Kawai (29 Oct 2003 01:25 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 01:44 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 04:10 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 04:53 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 05:10 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 05:17 UTC)
Re: Reasons for withdrawal Bradd W. Szonye (29 Oct 2003 05:31 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 01:49 UTC)
API conflicts (Was: Re: Reasons for withdrawal) Shiro Kawai (29 Oct 2003 05:48 UTC)
Re: API conflicts Shiro Kawai (29 Oct 2003 06:03 UTC)
Re: API conflicts scgmille@xxxxxx (29 Oct 2003 17:40 UTC)
Re: API conflicts (Was: Re: Reasons for withdrawal) Bradd W. Szonye (29 Oct 2003 06:03 UTC)
Re: API conflicts (Was: Re: Reasons for withdrawal) scgmille@xxxxxx (29 Oct 2003 14:19 UTC)
Re: API conflicts Shiro Kawai (29 Oct 2003 22:25 UTC)
Re: API conflicts scgmille@xxxxxx (29 Oct 2003 22:41 UTC)
Re: API conflicts Taylor Campbell (29 Oct 2003 23:58 UTC)
Re: API conflicts (Was: Re: Reasons for withdrawal) Taylor Campbell (29 Oct 2003 21:40 UTC)
A possible solution? bear (29 Oct 2003 22:59 UTC)
RE: A possible solution? Anton van Straaten (30 Oct 2003 07:40 UTC)
Re: A possible solution? Bradd W. Szonye (30 Oct 2003 10:07 UTC)
RE: A possible solution? bear (30 Oct 2003 15:13 UTC)
Re: A possible solution? scgmille@xxxxxx (30 Oct 2003 15:20 UTC)
Re: A possible solution? Bradd W. Szonye (30 Oct 2003 15:27 UTC)
Re: A possible solution? scgmille@xxxxxx (30 Oct 2003 15:39 UTC)
Re: A possible solution? Bradd W. Szonye (30 Oct 2003 15:43 UTC)
Re: A possible solution? scgmille@xxxxxx (30 Oct 2003 16:11 UTC)
Re: A possible solution? bear (30 Oct 2003 17:02 UTC)
Re: A possible solution? Tom Lord (30 Oct 2003 19:58 UTC)
Re: A possible solution? scgmille@xxxxxx (30 Oct 2003 20:15 UTC)
Re: A possible solution? bear (30 Oct 2003 20:53 UTC)
Re: A possible solution? scgmille@xxxxxx (30 Oct 2003 21:07 UTC)
Re: A possible solution? Taylor Campbell (30 Oct 2003 21:08 UTC)
Re: A possible solution? Bradd W. Szonye (30 Oct 2003 21:11 UTC)
Re: A possible solution? scgmille@xxxxxx (30 Oct 2003 21:17 UTC)
Re: A possible solution? bear (30 Oct 2003 23:11 UTC)
Re: A possible solution? Alex Shinn (31 Oct 2003 03:03 UTC)
Re: API conflicts Shiro Kawai (29 Oct 2003 23:19 UTC)
Re: API conflicts scgmille@xxxxxx (30 Oct 2003 00:26 UTC)
Re: API conflicts Bradd W. Szonye (30 Oct 2003 05:32 UTC)
Re: API conflicts bear (30 Oct 2003 06:22 UTC)
Re: API conflicts Bradd W. Szonye (30 Oct 2003 06:23 UTC)
Re: API conflicts scgmille@xxxxxx (30 Oct 2003 13:54 UTC)
Re: API conflicts Bradd W. Szonye (30 Oct 2003 14:01 UTC)
Re: API conflicts scgmille@xxxxxx (30 Oct 2003 14:16 UTC)
Re: API conflicts Bradd W. Szonye (30 Oct 2003 14:29 UTC)
Re: API conflicts scgmille@xxxxxx (30 Oct 2003 14:58 UTC)
Re: API conflicts Bradd W. Szonye (30 Oct 2003 15:22 UTC)
Re: Reasons for withdrawal Tom Lord (29 Oct 2003 01:50 UTC)
Re: Reasons for withdrawal Alex Shinn (29 Oct 2003 03:06 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 03:18 UTC)
Re: Reasons for withdrawal Tom Lord (29 Oct 2003 03:29 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 03:37 UTC)
Re: Reasons for withdrawal Alex Shinn (29 Oct 2003 06:16 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (29 Oct 2003 14:25 UTC)
Re: Reasons for withdrawal Alex Shinn (30 Oct 2003 02:19 UTC)
Re: Reasons for withdrawal scgmille@xxxxxx (30 Oct 2003 04:42 UTC)
Re: Reasons for withdrawal Alex Shinn (30 Oct 2003 06:22 UTC)

Re: API conflicts Bradd W. Szonye 30 Oct 2003 14:29 UTC

> Bradd W. Szonye wrote:
>> This may well be a major issue with the exceptions approach,
>> especially given the tendency to put collection code in inner loops.
>> I have a similar concern regarding the use of coroutines to implement
>> cursors and multi-collection enumerations. They use continuation
>> objects to manage control just as exception-handling code does.

xxxxxx@freenetproject.org wrote:
> Actually theres a third argument, too.  Is it really an error, or a
> branch?  I would argue is the latter.  Its not so much that the
> absence thunk is there 'in case something goes wrong'.  Its more like
> those operators are acting as conditionals, returning one value when
> the collection can provide it, and evaluating the thunk if it cannot.
> This is the semantic argument.

That's why it "raises an exception" rather than "signals an error."
While it isn't necessarily an error, it is an exceptional condition,
because the procedure can't supply the requested data.
--
Bradd W. Szonye
http://www.szonye.com/bradd